slob has alloced smaller objects from their own list in reduce overall external fragmentation and increase repeatability, free to their own list also. Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx> --- mm/slob.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/mm/slob.c b/mm/slob.c index 3f19a34..d582171 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -396,6 +396,7 @@ static void slob_free(void *block, int size) slob_t *prev, *next, *b = (slob_t *)block; slobidx_t units; unsigned long flags; + struct list_head *slob_list; if (unlikely(ZERO_OR_NULL_PTR(block))) return; @@ -424,7 +425,13 @@ static void slob_free(void *block, int size) set_slob(b, units, (void *)((unsigned long)(b + SLOB_UNITS(PAGE_SIZE)) & PAGE_MASK)); - set_slob_page_free(sp, &free_slob_small); + if (size < SLOB_BREAK1) + slob_list = &free_slob_small; + else if (size < SLOB_BREAK2) + slob_list = &free_slob_medium; + else + slob_list = &free_slob_large; + set_slob_page_free(sp, slob_list); goto out; } -- 1.5.6.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>